Unexpected error happened

This is the rescue page. See the exception details below

MonoRailException

Message:


Error building method arguments. Last param analyzed was from with value ''

StackTrace:


   
---at Castle.MonoRail.Framework.SmartDispatcherController.BuildMethodArguments(ParameterInfo[] parameters, IRequest request, IDictionary`2 actionArgs)
---at Castle.MonoRail.Framework.SmartDispatcherController.InvokeMethod(MethodInfo method, IRequest request, IDictionary`2 extraArgs)
---at Castle.MonoRail.Framework.ActionMethodExecutorCompatible.Execute(IEngineContext engineContext, IController controller, IControllerContext context)
---at Castle.MonoRail.Framework.Controller.RunActionAndRenderView()

Inner exception: